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55524480 = 2735112239
BaseRepresentation
bin1101001111001…
…1110010000000
310212110221021020
43103303302000
5103203240410
65302025440
71242643644
oct323636200
9125427236
1055524480
1129384400
1216718280
13b670b2b
147534c24
154d1ba70
hex34f3c80

55524480 has 192 divisors, whose sum is σ = 195350400. Its totient is φ = 13404160.

The previous prime is 55524433. The next prime is 55524493. The reversal of 55524480 is 8442555.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 232201 + ... + 232439.

It is an arithmetic number, because the mean of its divisors is an integer number (1017450).

Almost surely, 255524480 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55524480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97675200).

55524480 is an abundant number, since it is smaller than the sum of its proper divisors (139825920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55524480 is a wasteful number, since it uses less digits than its factorization.

55524480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283 (or 260 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 33.

The square root of 55524480 is about 7451.4750217658. The cubic root of 55524480 is about 381.5002556530.

The spelling of 55524480 in words is "fifty-five million, five hundred twenty-four thousand, four hundred eighty".